Serum Yall-O2 - New Formula
Oxygenating Serum with Hyaluronic Acid & Antioxidants
- Regular price
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$320.00 - Regular price
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- Sale price
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$320.00
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Available in Philadelphia and New York
Complimentary Samples with Every Order
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Serum Yall-O2 - New Formula
- Regular price
-
$320.00 - Regular price
-
- Sale price
-
$320.00
Description
Sérum Yall~02 is an intensive hydrating serum designed to rapidly restore moisture levels, improve skin comfort, and support healthy skin function. Formulated with ultra-high concentrations of hyaluronic acid and antioxidant plant extracts, it delivers instant hydration where skin needs it most.
Primary benefits
- Deeply hydrates to replenish moisture at multiple levels of the skin
- Helps visibly plump fine lines caused by dehydration
- Supports the skin’s natural barrier for improved comfort and resilience
- Provides antioxidant support to protect against environmental stressors
Best for
- All skin types, including sensitive and dehydrated skin
- Skin experiencing tightness, dryness, or dehydration-related fine lines
- Ideal for anyone seeking immediate hydration with long-term support
Texture & finish
Lightweight, fluid serum with a fresh, fast-absorbing texture. Leaves skin feeling smooth and comfortable with no residue.
Why Rescue Spa selected this product
At Rescue Spa, products earn their place through performance, formulation integrity, and real results on real skin. Sérum Yall~02 stands out for its clinically grounded approach to hydration—delivering immediate relief without unnecessary additives or overstated promises. It’s a staple we rely on in professional routines and daily care alike, which is why it remains a consistent favorite among clients who understand that true skin health begins with proper hydration.
For those seeking the world’s most carefully curated skincare, Shop Rescue Spa is where expertise, discernment, and proven formulas come together—naturally.
Discover Sérum Yall~02 and add lasting hydration to your routine.
Size: 1.0 fl oz
HOW TO USE
Deposit a few drops of Biologique Recherche Serum Yall-O2 in the hollow of your hand. Penetrate into skin by light massage over face, neck, and décolleté morning and evening after moisturizer.
INGREDIENTS
WATER (AQUA), GLYCERIN, METHYLPROPANEDIOL, ISOCETYL STEARATE, DICAPRYLYL CARBONATE, MALTODEXTRIN, BENTONITE, HYDROLYZED LUPINE PROTEIN, CAESALPINIA SPINOSA FRUIT EXTRACT, KAPPAPHYCUS ALVAREZII EXTRACT, BRASSICA OLERACEA ACEPHALA LEAF EXTRACT, JUGLANS REGIA (WALNUT) SEED EXTRACT, SODIUM HYALURONATE, SERINE, CITRIC ACID, ALGIN, GLYCERYL POLYACRYLATE, PULLULAN, TOCOPHEROL, TREHALOSE, PENTYLENE GLYCOL, SORBITAN ISOSTEARATE, SUCCINIC ACID, HYDROXYETHYL ACRYLATE/SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER, PROPANEDIOL, UREA, ISOHEXADECANE, POLYSORBATE 60, DISODIUM PHOSPHATE, DISODIUM EDTA, POTASSIUM PHOSPHATE, CAPRYLYL GLYCOL, PHENYLPROPANOL, SODIUM BENZOATE, BENZOIC ACID, SODIUM METABISULFITE, POTASSIUM SORBATE, SORBIC ACID.
*Please Note: This ingredient list is subject to change. Please refer to the product packaging for the most up-to-date ingredient list.
FAQS
Q: What does Biologique Recherche Serum Yall-O2 do?
A: Serum Yall-O2 delivers intense hydration and visible plumping while smoothing fine lines and improving skin elasticity. It also supports oxygenation and regeneration, leaving the skin firmer and more radiant.
Q: Who should use Serum Yall-O2?
A: This serum is ideal for anyone with dehydrated, dry, dull, mature, or tired-looking skin. It's also suitable for sensitive skin types and those concerned with the early signs of aging.
Q: Can Serum Yall-O2 be used daily?
A: Yes, it’s designed for daily use and works best when used consistently. Apply it in the morning and/or evening on clean skin before your moisturizer.
Q: Is it safe for sensitive skin?
A: Yes, Serum Yall-O2 is paraben-free and formulated to be gentle, making it suitable for sensitive skin types.
Q: What is the key ingredient in this serum?
A: The star ingredient is Hyaluronic Acid, known for its superior moisture-retaining properties and ability to visibly smooth and plump the skin.
Q: Can I use this serum with other Biologique Recherche products?
A: Serum Yall-O2 pairs well with other Biologique Recherche treatments and can be integrated into your personalized skincare routine for enhanced results.
Q: Where can I buy Serum Yall-O2?
A: It is available online at shoprescuespa.com and in-store at Rescue Spa Philadelphia or NYC locations.

